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动圆与两圆外切与内切(2)
Author:
蔡永志
动圆与两圆外切与内切(2)
GeoGebra
New Resources
三位數除以一位數（一）
三位數除以一位數（二）
異分母分數減法
四邊形的特性
球體建築師
Discover Resources
分割
與兩圓相切的動圓圓心軌跡
Lituus
與兩圓相切之圓心雙曲線軌跡
翹翹板
Discover Topics
Circumcircle or Circumscribed Circle
Quadratic Functions
Trigonometric Functions
Tree Diagrams
Incircle or Inscribed Circle